Do tropical fish grow faster then coldwater fish?

[Banana mouse]

guppy fry kept at 26 degrees grow faster then guppy fry kept at 18-20 degree tank?

 

[Wy Renegade]

Not sure how your question relates to tropical vs. coldwater, since your asking about the same fish. That said however, yes, raising temperature will cause your fish to grow faster, provided you don't surpass lethal temperature.

 

[Banana mouse]

Do you know why this happens?

 

[christine2012]

Metabolism speeds up in higher temps.

 

[Banana mouse]

Ah that's cool, I just simply want the fry to grow a little faster so I can sex them the breed them again. Thank you